Zimbra Admin Console error

Revision as of 05:20, 25 June 2020 by Krishna.bhosale (talk | contribs) (Solution)

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Zimbra Admin Console error


   KB 24114        Last updated on 2020-06-25  




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Problem

Getting "HTTP response status 429" error on Admin Console.

HTTP Response 429.jpg

Possible cause
  • Due to the max requests reached to the configured value for HTTP DOS filter.
  • Due to mis-configuration of DOS filter.


Solution

1. To override the issue, please modify below value, flush the cache and check the behavior once.

su - zimbra
zmprov mcf zimbraHttpDosFilterMaxRequestsPerSec 100
zmprov fc all


2. DOS filter should be configured properly is as follows [Single server]:

su - zimbra
zmprov ms `zmhostname` zimbraMailTrustedIP ""
zmprov ms `zmhostname` zimbraHttpThrottleSafeIPs ""
zmprov mcf +zimbraMailTrustedIP 127.0.0.1
zmprov mcf +zimbraMailTrustedIP SERVER_IP
zmprov mcf +zimbraHttpThrottleSafeIPs SERVER_NETWORK/CIDR    #
zmlocalconfig -e servlet_max_concurrent_http_requests_per_account=20
zmcontrol restart

Note : # Involve Network Engineer to calculate exact CIDR value.


Submitted by: Krishna M. Bhosale
Verified Against: ZCS 8.8 Date Created: 2020-06-24
Article ID: https://wiki.zimbra.com/index.php?title=Zimbra_Admin_Console_error Date Modified: 2020-06-25



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